replace jest with ava

node_modules/supertap/index.js

@@ -0,0 +1,78 @@
+'use strict';
+
+const serializeErr = require('serialize-error');
+const indentString = require('indent-string');
+const stripAnsi = require('strip-ansi');
+const arrify = require('arrify');
+const yaml = require('js-yaml');
+
+const serializeError = err => {
+	const obj = serializeErr(err);
+	obj.at = obj.stack
+		.split('\n')
+		.slice(1, 2)
+		.map(line => line.replace(/at/, '').trim())
+		.shift();
+
+	delete obj.stack;
+
+	return obj;
+};
+
+exports.start = () => 'TAP version 13';
+
+exports.test = (title, options) => {
+	const error = options.error;
+	let passed = options.passed;
+	let directive = '';
+
+	if (!error) {
+		if (options.todo) {
+			directive = '# TODO';
+			passed = false;
+		} else if (options.skip) {
+			directive = '# SKIP';
+			passed = true;
+		}
+	}
+
+	const comment = arrify(options.comment)
+		.map(line => indentString(line, 4).replace(/^ {4}/, '  * '))
+		.join('\n');
+
+	const output = [
+		`# ${stripAnsi(title)}`,
+		`${passed ? 'ok' : 'not ok'} ${options.index} - ${title} ${directive}`.trim(),
+		comment
+	];
+
+	if (error) {
+		const obj = error instanceof Error ? serializeError(error) : error;
+
+		output.push([
+			'  ---',
+			indentString(yaml.safeDump(obj).trim(), 4),
+			'  ...'
+		].join('\n'));
+	}
+
+	return output.filter(Boolean).join('\n');
+};
+
+exports.finish = stats => {
+	stats = stats || {};
+
+	const passed = stats.passed || 0;
+	const failed = stats.failed || 0;
+	const skipped = stats.skipped || 0;
+	const todo = stats.todo || 0;
+	const crashed = stats.crashed || 0;
+
+	return [
+		`\n1..${passed + failed + skipped + todo}`,
+		`# tests ${passed + failed + skipped}`,
+		`# pass ${passed}`,
+		skipped > 0 ? `# skip ${skipped}` : null,
+		`# fail ${failed + crashed + todo}\n`
+	].filter(Boolean).join('\n');
+};